#include // {{{ // https://codeforces.com/blog/entry/96344 #pragma GCC optimize("O2,unroll-loops") #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt") using namespace std; using i32 = int32_t; using u32 = uint32_t; using i64 = int64_t; using u64 = uint64_t; using f64 = double; using f128 = long double; #if __cplusplus >= 202002L template constexpr T MIN = std::numeric_limits::min(); template constexpr T MAX = std::numeric_limits::max(); template [[nodiscard]] static T sc(auto&& x) { return static_cast(x); } template [[nodiscard]] static T sz(auto&& x) { return static_cast(x.size()); } #endif static void NO() { std::cout << "NO\n"; } static void YES() { std::cout << "YES\n"; } template using vec = std::vector; #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define ff first #define ss second #ifdef LOCAL #define db(...) std::print(__VA_ARGS__) #define dbln(...) std::println(__VA_ARGS__) #else #define db(...) #define dbln(...) #endif // }}} bitset<2 * 100000 + 1> seen; void solve() { seen.reset(); u32 n; cin >> n; vec a(n); for (auto& e : a) cin >> e; vec ans; u32 prefix_or = 0; for (u32 i = 0; i < 31; ++i) { u32 current_or = prefix_or; i32 index = -1; for (u32 j = 0; j < n; ++j) { if (seen[j]) continue; if ((prefix_or | a[j]) > current_or) { current_or = prefix_or | a[j]; index = j; } } if (index == -1) break; ans.push_back(a[index]); seen[index] = true; prefix_or = current_or; } for (u32 i = 0; i < n; ++i) { if (!seen[i]) { ans.push_back(a[i]); } } for (u32 i = 0; i < n; ++i) { cout << ans[i] << " \n"[i == n - 1]; } } int main() { // {{{ cin.tie(nullptr)->sync_with_stdio(false); cin.exceptions(cin.failbit); u32 tc = 1; cin >> tc; for (u32 t = 0; t < tc; ++t) { solve(); } return 0; } // }}}